81468807

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{21673}}^1$

素因数の和:21862

約数の個数: 16

約数和(自身を含む): 124842240

約数和(自身を除く): 43373433

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 21673, 65019, 151711, 455133, 3879467, 11638401, 27156269, 81468807]

約数ペア:

[(1, 81468807), (3, 27156269), (7, 11638401), (21, 3879467), (179, 455133), (537, 151711), (1253, 65019), (3759, 21673)]